What we tested
Probed live on 23 Aug 2026 against rubric v1. 5 of 5 checks passed.
PROBE-VERIFIEDtier 2 of 3
✓Markdown negotiationAccept: text/markdown
✓Markdown twin at a predictable URL/page.md
✓llms.txt/llms.txt
✓API catalogRFC 9727
✓MCP server answers/.well-known/mcp/server-card.json → tools/list
What its MCP server offers
We connected, ran tools/list, and recorded what came back on 23 Aug 2026. 1 tool.
calculate_estonian_payroll
What an agent could do here
Read from the page’s own content, with the wording each was drawn from. Inference is kept separate from tested facts — an agent completing the action is tier 3.
UNVERIFIED
read“Maksud 2026”https://www.palgakalkulaator.ee/#maksuinfo
Context
297 sites in the index share the type tool, of which 110 are transactional.
How we grade
Three tiers. Every listing shows which one it has reached, and when. The rubric.
tier 1Declared
The site says agents are welcome in its robots.txt. A permission, not a capability.
tier 2Probe-verified
We fetched the site and tested each signal ourselves. Dated, repeatable, re-checked on a schedule.
tier 3Behaviourally verified
An agent completed the action end to end — booked, bought, submitted — and it worked.
Own this site?
Behavioural verification — an agent completing your booking, purchase or contact flow end to end, with the date published here — opens to a small founding cohort first. Leave an email to be in it.
Related verified sites
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corporate services nimistuPublic directory of Estonian companies with data on management, owners, economic indicator
business directory Nuvo Code OÜA boutique software studio in Tallinn designing, building, and maintaining software system
software studio SANLUKSANLUK sells aluminum maintenance hatches for floors, walls, and ceilings across Europe.
maintenance hatch supplier 3NV3NV operates EU cloud and bare-metal servers from Tallinn, Estonia, offering public cloud,
cloud hosting STEK EstoniaSTEK Estonia offers auto paint protection films (PPF), window tinting, and windshield prot
auto paint protection film service AbillioAbillio is a platform for freelancers to issue VAT invoices, receive payments, and handle
freelancer invoicing platform Record generated from a live database query. Method: about the index.